656000513 has 4 divisors (see below), whose sum is σ = 749714880. Its totient is φ = 562286148.

The previous prime is 656000507. The next prime is 656000519. The reversal of 656000513 is 315000656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (656000507) and next prime (656000519).

It is a cyclic number.

It is not a de Polignac number, because 656000513 - 2⁴ = 656000497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656000519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46857173 + ... + 46857186.

It is an arithmetic number, because the mean of its divisors is an integer number (187428720).

Almost surely, 2^656000513 is an apocalyptic number.

It is an amenable number.

656000513 is a deficient number, since it is larger than the sum of its proper divisors (93714367).

656000513 is an equidigital number, since it uses as much as digits as its factorization.

656000513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93714366.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 656000513 is about 25612.5069643719. The cubic root of 656000513 is about 868.8965236495.

The spelling of 656000513 in words is "six hundred fifty-six million, five hundred thirteen", and thus it is an aban number.